View Compilation Error

0_0_29610973_20912.cpp:7:1: error: expected ',' or ';' before 'int'
 int n,m,p;
 ^
0_0_29610973_20912.cpp: In function 'int main()':
0_0_29610973_20912.cpp:31:25: error: 'n' was not declared in this scope
         scanf("%d%d%d",&n,&m,&p);
                         ^
0_0_29610973_20912.cpp:31:28: error: 'm' was not declared in this scope
         scanf("%d%d%d",&n,&m,&p);
                            ^
0_0_29610973_20912.cpp:31:31: error: 'p' was not declared in this scope
         scanf("%d%d%d",&n,&m,&p);
                               ^